290469249

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{919}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 499449600

約数和(自身を除く): 208980351

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 173, 203, 261, 519, 609, 919, 1211, 1557, 1827, 2757, 3633, 5017, 6433, 8271, 10899, 15051, 19299, 26651, 35119, 45153, 57897, 79953, 105357, 158987, 186557, 239859, 316071, 476961, 559671, 1112909, 1430883, 1679013, 3338727, 4610623, 10016181, 13831869, 32274361, 41495607, 96823083, 290469249]

約数ペア:

[(1, 290469249), (3, 96823083), (7, 41495607), (9, 32274361), (21, 13831869), (29, 10016181), (63, 4610623), (87, 3338727), (173, 1679013), (203, 1430883), (261, 1112909), (519, 559671), (609, 476961), (919, 316071), (1211, 239859), (1557, 186557), (1827, 158987), (2757, 105357), (3633, 79953), (5017, 57897), (6433, 45153), (8271, 35119), (10899, 26651), (15051, 19299)]